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Advanced Temperature Sensing for Solar Panels
The Temmeter Pro represents a significant advancement in temperature monitoring for photovoltaic systems. This ready-to-install PT100 analog temperature sensor is specifically engineered to provide highly accurate temperature readings of solar panels, crucial for calculating the true Performance Ratio (PR) of photovoltaic installations. With its innovative design and robust construction, the Temmeter Pro ensures reliable temperature data in even the most challenging outdoor environments.
Innovative Mounting System
One of the standout features of the Temmeter Pro is its sophisticated mounting mechanism. The sensor comes equipped with a stainless steel mounting system, complemented by an aluminum bracket and an adjustable-length spring. This unique combination allows the temperature probe to maintain optimal contact pressure with the solar panel surface, ensuring stable and accurate measurements without the need for adhesives. The easy installation process saves time and reduces the potential for human error during setup.
Rapid Response to Temperature Variations
In the dynamic environment of a solar installation, temperature changes can occur rapidly. The Temmeter Pro is designed to keep pace with these fluctuations, boasting a response rate of less than 10 seconds for temperature changes of 2°C or more. This quick response time, coupled with high thermal transmittance, enables precise real-time monitoring of panel temperatures, critical for accurate Performance Ratio calculations and system optimization.
Wide Temperature Range and High Precision
Capable of measuring temperatures from -50°C to +200°C, the Temmeter Pro covers the full spectrum of potential operating conditions for photovoltaic panels. The sensor’s precision of ±0.6°C exceeds industry standards, providing reliable data for both research and commercial applications. This high level of accuracy is particularly valuable in regions where panel temperatures can reach extremes, such as Southern Europe, where summer temperatures can cause panel temperatures to soar to 85°C, potentially reducing power output by up to 25%.
Durable Construction for Outdoor Use
Built to withstand harsh outdoor conditions, the Temmeter Pro features a PT100 sensing element encased in a stainless steel AISI 316 housing. The sensor’s cable is sheathed with stainless steel and a high thermal resistance plastic casing, providing excellent protection against environmental factors. This rugged design ensures long-term reliability and consistent performance, even in challenging weather conditions.
Flexible Connectivity Options
The Temmeter Pro is available with two connection options to suit different installation requirements. Users can choose between an M8 2-pole IP67-rated connector for secure, weather-resistant connections, or a version with three loose pins (white-red) for custom wiring solutions. This flexibility allows for easy integration with various data logging and monitoring systems.
Easy Maintenance and Upgrades
For newer versions of the Temmeter Pro, a protective cap is included to enhance durability and measurement stability. The cap is designed for easy installation – simply insert it over the sensor head and rotate until it sits flush with the sensor body. This feature not only protects the sensing element but also ensures consistent thermal contact with the panel surface.
Specifications
- Sensor Specifications
- Type: PT100 Analog Temperature Sensor (Temperature Probe)
- Temperature Range: -50°C to +200°C
- Precision: ±0.6°C
- Response Rate: ΔT < 10 seconds when ΔT ≥ 2°C
- Reference Standard: IEC 60751 (Class B)
- Output
- Type: Analog (Variation of impedance)
- Sensor Class: PT100 Δ ± 0.6°C
- Physical Specifications
- PT100 Dimensions: 6mm diameter, 18mm length
- Materials: Stainless steel AISI 316
- Mounting: Stainless steel system with aluminum bracket and adjustable spring
- Cable and Connections
- Cable Length: 2m
- Cable Protection: Stainless steel sheath with high thermal resistance plastic casing
- Connector Options:
- M8 2-pole IP67 connector
- 3 loose pins (white – red)
- *Note: Specify desired connection type when ordering
- Environmental Specifications
- Suitable for outdoor use
- Designed for rapid response to temperature variations
- Installation
- No adhesives required
- For newer versions with protective cap:
- Insert the cap on the sensor head
- Rotate the cap until it is coplanar with the sensor head
- Compliance and Certifications
- IEC 60751 (Class B)
- Recommendations
- For accurate measurements, ensure the sensor is placed on a representative module of the installation
- Consider that solar modules at high temperatures produce less power than at 25°C
- In Southern Europe, PV module temperatures can reach 85°C during summer, potentially reducing output power by about 25%
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